WASHINGTON (Reuters) - A unanimous U.S. Supreme Court ruledon Monday that Internet file-trading networks can be heldliable when their users copy music, movies and other protectedworks without permission. The justices set aside a U.S.

WASHINGTON (Reuters) - A unanimous U.S. Supreme Court ruledon Monday that Internet file-trading networks can be heldliable when their users copy music, movies and other protectedworks without permission. The justices set aside a U.S.